Microsoft Windows DRV msacm32.drv

How to Download Msacm32.drv and Fix Error Messages

Last Updated: 11/27/2023
[Reading Time Required: 3.5 minutes]

msacm32.drv is considered a type of Microsoft Sound Mapper file. It is most-commonly used in Microsoft® Windows® Operating System developed by Microsoft. It uses the DRV file extension and is considered a Win32 DLL (Driver) file.

The first version of msacm32.drv for Windows XP was introduced on 10/25/2001 in Windows XP. The most recent release for Windows 10 launched on 07/29/2015 [version 10.0.15063.0 (WinBuild.160101.0800) release]. msacm32.drv is included with Windows 10, Windows 8.1, and Windows 8.

Continue reading below to discover detailed file information, DRV file troubleshooting, and free downloads of several versions of msacm32.drv.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	msacm32.drv
File Extension:	DRV file extension
Description:	Microsoft Sound Mapper
Object File Type:	Driver
File Operating System:	Windows NT 32-bit
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Microsoft Corporation
Software Program:	Microsoft® Windows® Operating System
Legal Copyright:	© Microsoft Corporation. All rights reserved.

File Details
Character Set:	Unicode
Language Code:	English (U.S.)
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0x42b0
Code Size:	15872

View Other msacm32.drv Information

File Info	Description
File Size:	24 kB
File Modification Date/Time:	2017:03:18 18:18:58+00:00
File Inode Change Date/Time:	2017:11:05 07:07:54+00:00
File Type:	Win32 DLL
MIME Type:	application/octet-stream
Warning:	Possibly corrupt Version resource
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	2104:11:03 17:28:11+00:00
PE Type:	PE32
Linker Version:	14.10
Code Size:	15872
Initialized Data Size:	8704
Uninitialized Data Size:	0
Entry Point:	0x42b0
OS Version:	10.0
Image Version:	10.0
Subsystem Version:	10.0
Subsystem:	Windows GUI
File Version Number:	10.0.15063.0
Product Version Number:	10.0.15063.0
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Driver
File Subtype:	8
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Microsoft Corporation
File Description:	Microsoft Sound Mapper
File Version:	10.0.15063.0 (WinBuild.160101.0800)
Internal Name:	Microsoft Sound Mapper
Legal Copyright:	© Microsoft Corporation. All rights reserved.
Original Filename:	msacm32.acm
Product Name:	Microsoft® Windows® Operating System
Product Version:	10.0.15063.0

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are msacm32.drv Error Messages?

msacm32.drv Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with msacm32.drv. Most of the issues concerning drv files involve Blue Screen of Death (BSOD) errors. These types of msacm32.drv errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. Windows update) issues. Some of these errors include:

msacm32.drv could not be found.
msacm32.drv failed to load.
The file msacm32.drv is missing or corrupt.
Windows failed to start - msacm32.drv.

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: msacm32.drv.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (msacm32.drv).

STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (msacm32.drv) STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (msacm32.drv) STOP 0x0000000A: IRQL NOT LESS EQUAL (msacm32.drv) STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (msacm32.drv) STOP 0×0000007A: KERNEL DATA INPAGE (msacm32.drv) STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (msacm32.drv)

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter msacm32.drv BSOD errors after you've installed new hardware, software (Windows), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to msacm32.drv Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a msacm32.drv Blue Screen of Death error after recent changes.

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How to Fix msacm32.drv Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your msacm32.drv issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the msacm32.drv error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing msacm32.drv file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt msacm32.drv files (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "cmd" but DO NOT PRESS "ENTER".
Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
You'll be prompted with a permission dialog box.
In the box, click "YES".
You should have a black screen with a blinking cursor.
In that black screen, type "sfc /scannow" and hit "ENTER".
SFC will begin scanning for msacm32.drv issues and any other system file problems.
Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

If this Step 2 fails as well, please proceed to the Step 3 below.

sfc /scannow

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many msacm32.drv error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the msacm32.drv error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your msacm32.drv File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate msacm32.drv file version. We maintain a comprehensive database of 100% malware-free msacm32.drv files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download msacm32.drv Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy the file into the appropriate directory for your Windows version:

Windows XP: C:\Windows\System32\
Windows Vista: C:\Windows\System32\
Windows Vista: C:\Windows\SysWOW64\
Windows 7: C:\Windows\System32\
Windows 7: C:\Windows\SysWOW64\
Show 3 more directories +

Windows 8: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 10: C:\Windows\System32\

Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve msacm32.drv problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download msacm32.drv Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying msacm32.drv to your appropriate Windows system directory. Microsoft typically does not release Windows DRV files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing msacm32.drv and all other DRV files for Windows. An incorrectly installed DRV file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10

File Name

Software Version

File Version

Architecture

msacm32.drv

10.0.15063.0

10.0.15063.0 (WinBuild.160101.0800)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Microsoft® Windows® Operating System
Software Version:	10.0.15063.0
File Version:	10.0.15063.0 (WinBuild.160101.0800)
File Size:	24576
File Date:	03/18/2017
MD5 Checksum:	5ee0fb2f7f8137a01eca2306f429d6af
SHA1 Checksum:	d0235dd914f883411a9427c81b61b95923c3ec98
SHA256 Checksum:	95062cb0d0dfe0c4c3c6040f2b6faf8fcadf59e99b0dc6cd678ccd29f63d3c18
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	10.0
Initialized Data Size:	8704
Linker Version:	14.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	10.0
File Modification Date/Time:	03/18/2017

Windows XP

File Name

Software Version

File Version

Architecture

msacm32.drv

5.1.2600.0

5.1.2600.0 (xpclient.010817-1148)

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows XP
Software:	Microsoft® Windows® Operating System
Software Version:	5.1.2600.0
File Version:	5.1.2600.0 (xpclient.010817-1148)
File Size:	20480
File Date:	04/14/2008
MD5 Checksum:	9a3bd5f55aadff859539142f6328a66e
SHA1 Checksum:	bb7a0493b31cc4245a6ee9838e5acaaafc129957
SHA256 Checksum:	b8165f650f0e24d380601d54bc81a84c06d886a6cf995ea6ca63eabcfa75554a
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	5.1
Initialized Data Size:	9216
Linker Version:	7.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	4.0
File Modification Date/Time:	04/14/2008

Windows Vista

File Name

Software Version

File Version

Architecture

msacm32.drv

6.0.6002.18005

6.0.6002.18005 (lh_sp2rtm.090410-1830)

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows Vista
Software:	Microsoft® Windows® Operating System
Software Version:	6.0.6002.18005
File Version:	6.0.6002.18005 (lh_sp2rtm.090410-1830)
File Size:	25600
File Date:	04/11/2009
MD5 Checksum:	9a328cc4e4490e929e30332ac902cac1
SHA1 Checksum:	5531df87b45fbcde8f631bdc84c322aa87319cae
SHA256 Checksum:	658cef505a83da082b19599c2b497488dfc96911969e6b5b2f6c2318b35660eb
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	6.0
Initialized Data Size:	8704
Linker Version:	8.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	04/11/2009

msacm32.drv

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows Vista
File Size:	21504
MD5 Checksum:	166f004d73ea2cf4ac61800ca469458d
SHA1 Checksum:	11f8a4d84f69457a2ccdacd46e5f726078c46170
SHA256 Checksum:	7c1d83dc49505e452d7afd843312b1b197bbb613d604bff41fd4235b06f24ef3
CRC32:
File Directory Location:	C:\Windows\SysWOW64\

File Version, System, and Machine Information
There is no information available.

Windows 8.1

File Name

Software Version

File Version

Architecture

msacm32.drv

6.3.9600.17415

6.3.9600.17415 (winblue_r4.141028-1500)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8.1
Software:	Microsoft® Windows® Operating System
Software Version:	6.3.9600.17415
File Version:	6.3.9600.17415 (winblue_r4.141028-1500)
File Size:	23040
File Date:	11/21/2014
MD5 Checksum:	13c71a428dee565fff4fdeec897d86e8
SHA1 Checksum:	5b87a30266f4cd6de718e439311216ecb6d11f11
SHA256 Checksum:	905c41b10eefe90d580435b7adebf69579f7774b8827793ca5b812955d7d7161
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.3
Initialized Data Size:	7680
Linker Version:	11.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	6.3
File Modification Date/Time:	11/21/2014

Windows 8

File Name

Software Version

File Version

Architecture

msacm32.drv

6.2.9200.16384

6.2.9200.16384 (win8_rtm.120725-1247)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8
Software:	Microsoft® Windows® Operating System
Software Version:	6.2.9200.16384
File Version:	6.2.9200.16384 (win8_rtm.120725-1247)
File Size:	21504
File Date:	07/26/2012
MD5 Checksum:	3aeccdc2ea5c01e453242dc716f57c24
SHA1 Checksum:	a0697437371f0e2185c2a65d8650d0681982b4f4
SHA256 Checksum:	f7780e026ec7700375dccafe3fdabf48796e67fc4357afedbfba40f8ee8a3c51
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.2
Initialized Data Size:	7680
Linker Version:	10.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	6.2
File Modification Date/Time:	07/26/2012

Windows 7

File Name

Software Version

File Version

Architecture

msacm32.drv

6.1.7600.16385

6.1.7600.16385 (win7_rtm.090713-1255)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 7
Software:	Microsoft® Windows® Operating System
Software Version:	6.1.7600.16385
File Version:	6.1.7600.16385 (win7_rtm.090713-1255)
File Size:	25600
File Date:	07/14/2009
MD5 Checksum:	1b7c3a37362c7b2890168c5fc61c8d9b
SHA1 Checksum:	78ba8d596c0ac4c38acb498416957891570a2a1d
SHA256 Checksum:	03727930e5bb5f9d91bab901fc9a2e3b795d68e2aee6a2cc3477f356c45a9c54
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	6.1
Initialized Data Size:	5632
Linker Version:	9.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	6.1
File Modification Date/Time:	07/14/2009

msacm32.drv

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 7
File Size:	20992
MD5 Checksum:	07393a09c46083588e751b63b03c8301
SHA1 Checksum:	3a2901d1e9189601b2fa2a269aa29ab09e9676ae
SHA256 Checksum:	36e2351cf5fa05feaaeb340b5e04b107b53c8174f8333559d8aea40beb94f678
CRC32:
File Directory Location:	C:\Windows\SysWOW64\

File Version, System, and Machine Information
There is no information available.

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Files Related to msacm32.drv

DRV Files Related to msacm32.drv

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
netware.drv	Device Driver	Windows XP	2656	C:\Windows\System32\winevt\Logs\
mciseq.drv	Device Driver	Windows 8	25264	C:\Windows\System32\LogFiles\WMI\RtBackup\
TIMER.DRV	Device Driver	Windows 8.1	8960	C:\Windows\System32\LogFiles\WMI\RtBackup\
mciwave.drv	Device Driver	Windows 8.1	28160	C:\Windows\System32\
msacm32.drv	Microsoft Sound Mapper	Microsoft® Windows® Operating System (6.3.9600.17415)	23040	C:\Windows\inf\

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WLAN_policy_v1.xsd	XML Schema Definition	Windows 8	7627	C:\Windows\L2Schemas\
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